Star gazing may be the most universal moments of wonder. Neil deGrasse Tyson says he's been awed by outer space since he first went to a planetarium. He's been hooked on science - and wonder - ever since.
You can also hear the extended interview with deGrasse Tyson here.
There's money in the future. It's Liz Crawford's job to help big corporations figure out how to make it.
Wangari Maathai won the Nobel Peace Prize in 2004. She is dedicated to re-foresting Africa and talks with Steve Paulson about some of her Greenbelt Movement projects. Her memoir is called "Unbowed."
Master gardener Sharon Lovejoy tells Anne Strainchamps that there’s a lot of truth in old wives’ tales about gardens and shares her solutions for getting rid of pests from aphids to deer.
Steve Lopez is the author of "The Soloist," a book about a homeless musician named Nathaniel Ayers. Lopez talks with Anne Strainchamps about how he found Ayers and what he learned from him.
Historian Ron Numbers talks with Steve Paulson. Numbers was once an ardent creationist and is the author of "The Creationists," the definitive history of the anti-evolutionist movement.
James Gleick is a science writer with a particular interest in the cultural impact of technology. He's written a number of best-selling books, including "The Information," "Faster," and "Chaos." And Gleick's just come out with a mind-bending book called "Time Travel: A History."
Sabrina Dhawan tells Steve Paulson that the Bollywood film industry is more productive than its California counterpart.
